<template>
    <div class="page">
        <div class="header"></div>
        <div class="wapper">
            <div class="sidebar"></div>
            <div class="content"></div>
        </div>
    </div>
</template>
<style scoped>
.page{
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.header{
    width: 100%;
    height: 80px;
    background-color: #393D49;
    border-bottom: 1px solid #000;
}
.sidebar{
    float: left;
    width: 120px;
    background-color: #393D49;
}
.wapper{
    flex: 1;
    display: flex;
}
.content{
    background-color: #ccc;
    flex: 1;
}
</style>